Cardiologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Chiropractor providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dentist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dermatologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Family Physician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
OB-GYN providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Ophthalmologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Orthopedic Surgeon providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Pediatrician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Physical Therapist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Podiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Psychiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Amit Goyal, MD, is a board-certified, fellowship-trained neurological surgeon at Link Neuroscience Institute in Santa Barbara and Oxnard, California. He specializes in the diagnosis and surgical treatment of nervous system disorders, including those that impact the brain, spinal cord, and peripheral nerves.
An expert in state-of-the-art treatment modalities, Dr. Goyal promotes endoscopic and minimally invasive techniques and robotic-assisted technology for complex brain tumors and spinal deformities.
Dr. Goyal was born and raised in Alexandria, Virginia, and graduated from Georgetown University School of Medicine in Washington, DC. He then completed his neurosurgical training at the University of Minnesota Medical Center in Minneapolis, Minnesota, where he served as Chief Resident.
After the completion of his residency, Dr. Goyal was selected for a highly
competitive and prestigious international fellowship at the Centre for Minimally Invasive
Neurosurgery at the Prince of Wales Hospital in Sydney, Australia. As a fellow, Dr. Goyal became proficient in minimally invasive approaches for removing complex brain tumors and developed unique skills involving minimally invasive techniques and robotic technology to treat the most complicated spinal diseases.
Dr. Goyal later joined Bayhealth Medical Center in Dover, Delaware, where he dramatically grew their neurosurgery program. At Bayhealth, he helped establish a robotic spine program and build and develop the comprehensive, multidisciplinary neuro-oncology (brain tumor) program.
In his free time, Dr. Goyal enjoys traveling with his wife, three young children, and their two Labrador Huskies. He has a passion for the outdoors, particularly hiking and visiting beaches. He is a sports enthusiast, spending much of his time swimming, snowboarding, or playing tennis, golf, and basketball.
Akinwunmi Oni-Orisan, MD, is a fellowship-trained neurosurgeon, sub-specializing in open cerebrovascular, skull base, and endovascular neurosurgery. At Link Neuroscience Institute in Oxnard and Santa Barbara, California, Dr. Oni-Orisan provides expertise in the treatment of ischemic and hemorrhagic stroke, brain aneurysms, arteriovenous malformations, carotid disease, acoustic neuromas, and skull base tumors. In addition to cerebrovascular disease, Dr. Oni-Orisan has extensive training in the treatment of degenerative and traumatic spine disorders, brain tumors, trigeminal neuralgia, Chiari malformation, carpal tunnel syndrome, pituitary adenomas, and traumatic brain injury.
Dr. Oni-Orisan was born and raised in Ann Arbor, Michigan, to Nigerian immigrant parents. He attended the University of Michigan, where he obtained a Bachelor of Science with Honors in cell and molecular biology. He then went on to obtain a Doctor of Medicine degree at the Wayne State University School of Medicine in Detroit, Michigan. This was followed by a seven-year neurological surgery residency at the Medical College of Wisconsin in Milwaukee, Wisconsin. After the completion of residency, Dr. Oni-Orisan concluded his training with a combined, two-year open cerebrovascular, skull base, and neuro-endovascular surgery fellowship at the University of Texas Health Science Center in Houston, Texas.
Dr. Oni-Orisan lives in the area with his wife and three young daughters. He enjoys sports, music, and traveling.
Akinwunmi Oni-Orisan, MD, is a fellowship-trained neurosurgeon, sub-specializing in open cerebrovascular, skull base, and endovascular neurosurgery. At Link Neuroscience Institute in Oxnard and Santa Barbara, California, Dr. Oni-Orisan provides expertise in the treatment of ischemic and hemorrhagic stroke, brain aneurysms, arteriovenous malformations, carotid disease, acoustic neuromas, and skull base tumors. In addition to cerebrovascular disease, Dr. Oni-Orisan has extensive training in the treatment of degenerative and traumatic spine disorders, brain tumors, trigeminal neuralgia, Chiari malformation, carpal tunnel syndrome, pituitary adenomas, and traumatic brain injury.
Dr. Oni-Orisan was born and raised in Ann Arbor, Michigan, to Nigerian immigrant parents. He attended the University of Michigan, where he obtained a Bachelor of Science with Honors in cell and molecular biology. He then went on to obtain a Doctor of Medicine degree at the Wayne State University School of Medicine in Detroit, Michigan. This was followed by a seven-year neurological surgery residency at the Medical College of Wisconsin in Milwaukee, Wisconsin. After the completion of residency, Dr. Oni-Orisan concluded his training with a combined, two-year open cerebrovascular, skull base, and neuro-endovascular surgery fellowship at the University of Texas Health Science Center in Houston, Texas.
Dr. Oni-Orisan lives in the area with his wife and three young daughters. He enjoys sports, music, and traveling.
Amit Goyal, MD, is a board-certified, fellowship-trained neurological surgeon at Link Neuroscience Institute in Santa Barbara and Oxnard, California. He specializes in the diagnosis and surgical treatment of nervous system disorders, including those that impact the brain, spinal cord, and peripheral nerves.
An expert in state-of-the-art treatment modalities, Dr. Goyal promotes endoscopic and minimally invasive techniques and robotic-assisted technology for complex brain tumors and spinal deformities.
Dr. Goyal was born and raised in Alexandria, Virginia, and graduated from Georgetown University School of Medicine in Washington, DC. He then completed his neurosurgical training at the University of Minnesota Medical Center in Minneapolis, Minnesota, where he served as Chief Resident.
After the completion of his residency, Dr. Goyal was selected for a highly
competitive and prestigious international fellowship at the Centre for Minimally Invasive
Neurosurgery at the Prince of Wales Hospital in Sydney, Australia. As a fellow, Dr. Goyal became proficient in minimally invasive approaches for removing complex brain tumors and developed unique skills involving minimally invasive techniques and robotic technology to treat the most complicated spinal diseases.
Dr. Goyal later joined Bayhealth Medical Center in Dover, Delaware, where he dramatically grew their neurosurgery program. At Bayhealth, he helped establish a robotic spine program and build and develop the comprehensive, multidisciplinary neuro-oncology (brain tumor) program.
In his free time, Dr. Goyal enjoys traveling with his wife, three young children, and their two Labrador Huskies. He has a passion for the outdoors, particularly hiking and visiting beaches. He is a sports enthusiast, spending much of his time swimming, snowboarding, or playing tennis, golf, and basketball.
Brittni Mack, PA-C, is a neurosurgery and neurointerventional surgery physician assistant who joined Link Neuroscience Institute in 2023. She started her career in trauma and emergency general surgery, where she cultivated a fascination and appreciation for neurosurgical care.
Brittni was born and raised near Pittsburgh, PA, and completed both of her undergraduate and graduate physician assistant studies at Saint Francis University in Loretto, PA. There, she earned minors in neuroscience and biology. Shortly after graduation, she moved to Southern California to chase the sunshine and launch her career. In her free time, she enjoys the beach, adventures with her dogs and cat, plant-based cooking, snowboarding, live music, and Pittsburgh Penguins hockey.
David Westra, MD, is an expert neurosurgeon who serves his patients at Ventura Neurosurgery in Ventura, California. He was raised in Tucson, Arizona, as well as Houston, Texas. He also spent a significant portion of his youth in Santiago, Chile, where he became fluent in Spanish. Dr. Westra is board-certified by the American Board of Neurological Surgery.
Dr. Westra attended the University of Texas at Austin and earned a degree with honors in chemical engineering. He then enrolled in the University of Texas at Houston Medical School, where he received a Doctor of Medicine with highest honors as a member of the Alpha Omega Alpha honor medical society. During this time, Dr. Westra spent a significant amount of time among the neurosurgeons at the MD Anderson Cancer Center. It was this experience that led him to pursue a career in neurosurgery.
After completing his medical degree, Dr. Westra enrolled in the Loma Linda University Medical Center residency program for neurosurgery. While at LLU Medical Center, he gained extensive experience in minimally invasive spine surgery as well as all aspects of cerebrovascular and neuro-oncologic surgery. Dr. Westra also completed extensive research investigating the capacity for hyperbaric oxygen therapy to reduce surgically-induced brain injuries.
Dr. Westra completed his chief residency year and enrolled in a minimally invasive neurosurgery fellowship at the Swedish Neuroscience Institute in Seattle, Washington. While there, he gained extensive experience working alongside leaders in the fields of pituitary surgery, cerebrovascular surgery, endoscopic neurosurgery, functional neurosurgery, and complex spinal surgery — including minimally invasive spine surgery.
In 2010, Dr. Westra joined the Ventura County Neurosurgical Associates in 2010 and became involved at the Community Memorial Hospital, where he currently serves on the surgery committee. He is an active member of the American Association of Neurological Surgeons, the Congress of Neurological Surgeons, the Western Neurosurgical Association, the California Association of Neurological Surgeons, and the Ventura County Medical Association. In his spare time, Dr. Westra enjoys spending time with his wife, Reimee, and his two children, Thomas and Olivia. He also loves travel, music, playing guitar, and everything to do with the ocean.
Nathan Oh, DO, is a highly skilled neurosurgeon, providing premiere care for patients at Pacific Coast Brain and Spine Associates.
Dr. Oh graduated cum laude from the University of California, Irvine, UCI, receiving his Bachelor of Arts in Philosophy with honors. He continued his studies in premedical sciences at the University of California, Los Angeles, UCLA.
He went on to A.T. Still University, School of Medicine in Arizona, where he received his Doctor of Osteopathic Medicine degree. Dr. Oh finished his residency in Neurological Surgery at the University of California, Irvine (UCI) , serving as chief administrative resident during his last year and completing an infolded fellowship in open cerebrovascular and skull base surgery at UCI.
Dr. Oh has been inducted into several honor societies throughout his education career and received numerous awards and accolades. He has dedicated time to developing new novel techniques in the field of Neurosurgery , has published multiple papers in peer reviewed journals and is the recepient of multiple nationally funded research grants. He is certified through the American Board of Neurological Surgery and maintains an active license in California. He is also a member of the American Association of Neurological Surgeons (AANS) and the Congress of Neurological Surgeons (CNS).
He is generous with his expertise, authoring many peer-reviewed publications, journal articles, and book chapters and providing extensive research, posters, and presentations at national conferences.
To schedule an appointment with Dr. Oh for superior care, call Pacific Coast Brain and Spine Associates today.
James Herman, MD, is a board-certified Neurosurgeon with an excellent reputation, providing state-of-the-art, comprehensive, evidenced-based Neurosurgery to ensure the best patient outcomes at Pacific Coast Brain and Spine Associates in Ventura, California.
Dr. Herman earned his bachelor degree in Chemistry and Biology with cum laude honors at the University of the Pacific in Stockton, California. He then received his medical degree from Northwestern University Medical Center in Chicago, Illinois, and attended residency in Neurological Surgery at Barrow Neurological Institute in Phoenix, Arizona.
To contribute to the advancement of the neurological surgery field, Dr. Herman has authored several peer-reviewed journal articles and book chapters, and presented at numerous national neurosurgery conferences. He is also an active member of the American Association of Neurological Surgeons (AANS), the Congress of Neurological Surgeons (CNS), and the Spine Section of the AANS and CNS.
Dr. Herman has been in practice for over 30 years. During this time, he has held several senior positions including Chief of Surgery and Chief of Staff at Ventura County Medical Center, and Chief of Surgery at Community Memorial Hospital. He currently serves as the Director of Neurosurgery at Ventura County Medical Center where he maintains hospital privileges.
Dr. Herman greatly values his practice, and he always looks forward to seeing his patients and meeting new ones. To book a consultation with Dr. Herman, call the office staff at Pacific Coast Brain and Spine Associates today.
Alan Siu, MD, AANS, CNS, is a board-certified neurosurgeon, widely respected for his expertise, treatment, and care for patients at Pacific Coast Brain and Spine Associates in Ventura, California.
Dr. Siu graduated with honors from Pitzer College in Claremont, California, with a Bachelor of Arts degree in Neuroscience. He then earned his Master of Science in clinical/translational research at Case Western Reserve University in Cleveland, Ohio.
He went on to Cleveland Clinic Lerner College of Medicine in Cleveland, Ohio, where he received his medical degree, followed by his residency in neurological surgery at George Washington University Hospital in Washington, DC.
Dr. Siu finished his postgraduate training with a fellowship in minimally invasive skull base surgery at Thomas Jefferson University in Philadelphia, Pennsylvania. He then continued on to pursue an additional fellowship in minimally invasive spine surgery at Semmes-Murphey Clinic in Memphis, Tennessee.
He is certified through the American Board of Neurological Surgery and has a long list of research experience that includes working in the Department of Neurosurgery at Children's National Medical Center in Washington, DC.
Dr. Siu has authored and published numerous peer-reviewed publications and book chapters, in addition to providing his expertise through oral presentations.
Throughout his educational career, he also received many grants and awards, including an NREF (Neurosurgery Research & Education Foundation) post-residency clinical fellowship.
To schedule an appointment with Dr. Siu for superior care, call Pacific Coast Brain and Spine Associates today.
Brittni Mack, PA-C, is a neurosurgery and neurointerventional surgery physician assistant who joined Link Neuroscience Institute in 2023. She started her career in trauma and emergency general surgery, where she cultivated a fascination and appreciation for neurosurgical care.
Brittni was born and raised near Pittsburgh, PA, and completed both of her undergraduate and graduate physician assistant studies at Saint Francis University in Loretto, PA. There, she earned minors in neuroscience and biology. Shortly after graduation, she moved to Southern California to chase the sunshine and launch her career. In her free time, she enjoys the beach, adventures with her dogs and cat, plant-based cooking, snowboarding, live music, and Pittsburgh Penguins hockey.
/assets/images/provider/photos/2434764.jpg)
/assets/images/provider/photos/2434764.jpg)
/assets/images/provider/photos/2609769.jpg)
/assets/images/provider/photos/2609769.jpg)
/assets/images/provider/photos/2192892.jpg)
/assets/images/provider/photos/2192892.jpg)
